package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController("adminDishController")
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "菜品接口")
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result newAdd(@RequestBody DishDTO dishDTO){
        log.info("新增菜品");
        dishService.newAddWithFlavor(dishDTO);

        //清理缓存数据
        String key="dish_"+dishDTO.getCategoryId();//获取分类id
        redisTemplate.delete(key);

        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> see(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询");
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping("")
    @ApiOperation("菜品批量删除")
    public Result deleteBatch(List<Long> ids){
        log.info("菜品批量删除");
        dishService.deleteBatch(ids);
        //将所有菜品数据都清理掉
        cleanCache("dish_*");

        //可以优化吗？

        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> seeById(@PathVariable Long id){
        log.info("根据id查询菜品");
        DishVO dishVO=dishService.seeByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    @PutMapping()
    public Result updateDish(@RequestBody DishDTO dishDTO){
        log.info("修改菜品基本信息");
        dishService.updateWithFalvor(dishDTO);

        //影响多个缓存数据

        //清理所有缓存数据
        cleanCache("dish_*");


        return Result.success();
    }

    @PostMapping("/status/{status}")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){
        log.info("菜品起售和停售");
        dishService.startOrStop(status,id);

        cleanCache("dish_*");

        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        log.info("查询菜品根据分类的id");
        List<Dish> list=dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
